From bbeddf52adc1b4207674ab88686cbbe58c24f721 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 31 Jul 2013 13:53:45 -0700 Subject: printk: move braille console support into separate braille.[ch] files Create files with prototypes and static inlines for braille support. Make braille_console functions return 1 on success. Corrected CONFIG_A11Y_BRAILLE_CONSOLE=n _braille_console_setup return value to NULL. Signed-off-by: Joe Perches Reviewed-by: Samuel Thibault Cc: Ming Lei Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/accessibility/braille/braille_console.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/accessibility/braille/braille_console.c b/drivers/accessibility/braille/braille_console.c index d21167bfc865..dc34a5b8bcee 100644 --- a/drivers/accessibility/braille/braille_console.c +++ b/drivers/accessibility/braille/braille_console.c @@ -359,6 +359,9 @@ int braille_register_console(struct console *console, int index, char *console_options, char *braille_options) { int ret; + + if (!(console->flags & CON_BRL)) + return 0; if (!console_options) /* Only support VisioBraille for now */ console_options = "57600o8"; @@ -374,15 +377,17 @@ int braille_register_console(struct console *console, int index, braille_co = console; register_keyboard_notifier(&keyboard_notifier_block); register_vt_notifier(&vt_notifier_block); - return 0; + return 1; } int braille_unregister_console(struct console *console) { if (braille_co != console) return -EINVAL; + if (!(console->flags & CON_BRL)) + return 0; unregister_keyboard_notifier(&keyboard_notifier_block); unregister_vt_notifier(&vt_notifier_block); braille_co = NULL; - return 0; + return 1; } -- cgit v1.2.3